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Finding the Fourth Proportional to 19,004.48, 28,508.24 and 6,519.48

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Solution

The fourth proportional to 19,004.48, 28,508.24 and 6,519.48 is: 9,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.48 : 28,508.24 = 6,519.48 : x
  2. Step 2: Convert to fraction form
    19,004.48/28,508.24 = 6,519.48/x
  3. Step 3: Cross multiply
    19,004.48x = 28,508.24 × 6,519.48
  4. Step 4: Simplify right side
    19,004.48x = 185,858,900.52
  5. Step 5: Solve for x
    x = 185,858,900.52/19,004.48
  6. Step 6: Final answer
    x = 9,779.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.